add some AWS options

README.md

@@ -183,6 +183,12 @@ AssetSync.configure do |config|
   # Increase upload performance by configuring your region
   # config.fog_region = 'eu-west-1'
   #
+  # Change AWS signature version. Default is 4
+  # config.aws_signature_version = 4
+  #
+  # Use http instead of https.
+  # config.fog_scheme = 'http'
+  #
   # Automatically replace files with their equivalent gzip compressed version
   # config.gzip_compression = true
   #
@@ -222,6 +228,10 @@ defaults: &defaults
   aws_secret_access_key: "<%= ENV['AWS_SECRET_ACCESS_KEY'] %>"
   # You may need to specify what region your storage bucket is in
   # fog_region: "eu-west-1"
+  # Change AWS signature version. Default is 4
+  # aws_signature_version: 4
+  # Use http instead of https.
+  # fog_scheme: 'http'
   existing_remote_files: keep # Existing pre-compiled assets on S3 will be kept
   # To delete existing remote files.
   # existing_remote_files: delete

lib/asset_sync/config.rb

@@ -29,10 +29,12 @@ class Invalid < StandardError; end
     attr_accessor :fog_provider          # Currently Supported ['AWS', 'Rackspace']
     attr_accessor :fog_directory         # e.g. 'the-bucket-name'
     attr_accessor :fog_region            # e.g. 'eu-west-1'
-    attr_accessor :fog_path_style        # e.g true
 
     # Amazon AWS
-    attr_accessor :aws_access_key_id, :aws_secret_access_key, :aws_reduced_redundancy, :aws_iam_roles
+    attr_accessor :aws_access_key_id, :aws_secret_access_key, :aws_reduced_redundancy, :aws_iam_roles, :aws_signature_version
+    attr_accessor :fog_host              # e.g. 's3.amazonaws.com'
+    attr_accessor :fog_path_style        # e.g. true
+    attr_accessor :fog_scheme            # e.g. 'http'
 
     # Rackspace
     attr_accessor :rackspace_username, :rackspace_api_key, :rackspace_auth_url
@@ -146,13 +148,16 @@ def public_path
     def load_yml!
       self.enabled                = yml["enabled"] if yml.has_key?('enabled')
       self.fog_provider           = yml["fog_provider"]
+      self.host                   = yml["fog_host"]
       self.fog_directory          = yml["fog_directory"]
       self.fog_region             = yml["fog_region"]
       self.fog_path_style         = yml["fog_path_style"]
+      self.fog_scheme             = yml["fog_scheme"]
       self.aws_access_key_id      = yml["aws_access_key_id"]
       self.aws_secret_access_key  = yml["aws_secret_access_key"]
       self.aws_reduced_redundancy = yml["aws_reduced_redundancy"]
       self.aws_iam_roles          = yml["aws_iam_roles"]
+      self.aws_signature_version  = yml["aws_signature_version"]
       self.rackspace_username     = yml["rackspace_username"]
       self.rackspace_auth_url     = yml["rackspace_auth_url"] if yml.has_key?("rackspace_auth_url")
       self.rackspace_api_key      = yml["rackspace_api_key"]
@@ -199,6 +204,10 @@ def fog_options
             :aws_secret_access_key => aws_secret_access_key
           })
         end
+        options.merge!({:host => fog_host}) if fog_host
+        options.merge!({:scheme => fog_scheme}) if fog_scheme
+        options.merge!({:aws_signature_version => fog_aws_signature_version}) if fog_aws_signature_version
+        options.merge!({:path_style => fog_path_style}) if fog_path_style
       elsif rackspace?
         options.merge!({
           :rackspace_username => rackspace_username,
@@ -218,7 +227,6 @@ def fog_options
       end
 
       options.merge!({:region => fog_region}) if fog_region && !rackspace?
-      options.merge!({:path_style => fog_path_style}) if fog_path_style && aws?
       return options
     end
 

lib/asset_sync/engine.rb

@@ -16,9 +16,13 @@ class Engine < Rails::Engine
           config.fog_provider = ENV['FOG_PROVIDER'] if ENV.has_key?('FOG_PROVIDER')
           config.fog_directory = ENV['FOG_DIRECTORY'] if ENV.has_key?('FOG_DIRECTORY')
           config.fog_region = ENV['FOG_REGION'] if ENV.has_key?('FOG_REGION')
+          config.fog_host = ENV['FOG_HOST'] if ENV.has_key?('FOG_HOST')
+          config.fog_scheme = ENV['FOG_SCHEMA'] if ENV.has_key?('FOG_SCHEMA')
+          config.fog_path_style = ENV['FOG_PATH_STYLE'] if ENV.has_key?('FOG_PATH_STYLE')
 
           config.aws_access_key_id = ENV['AWS_ACCESS_KEY_ID'] if ENV.has_key?('AWS_ACCESS_KEY_ID')
           config.aws_secret_access_key = ENV['AWS_SECRET_ACCESS_KEY'] if ENV.has_key?('AWS_SECRET_ACCESS_KEY')
+          config.fog_aws_signature_version = ENV['AWS_SIGNATURE_VERSION'] if ENV.has_key?('AWS_SIGNATURE_VERSION')
           config.aws_reduced_redundancy = ENV['AWS_REDUCED_REDUNDANCY'] == true  if ENV.has_key?('AWS_REDUCED_REDUNDANCY')
 
           config.rackspace_username = ENV['RACKSPACE_USERNAME'] if ENV.has_key?('RACKSPACE_USERNAME')

lib/generators/asset_sync/templates/asset_sync.rb

@@ -6,6 +6,12 @@
     config.aws_secret_access_key = ENV['AWS_SECRET_ACCESS_KEY']
     # To use AWS reduced redundancy storage.
     # config.aws_reduced_redundancy = true
+    #
+    # Change AWS signature version. Default is 4
+    # config.aws_signature_version = 4
+    #
+    # Use http instead of https.
+    # config.fog_scheme = 'http'
     <%- elsif google? -%>
     config.fog_provider = 'Google'
     config.google_storage_access_key_id = ENV['GOOGLE_STORAGE_ACCESS_KEY_ID']

lib/generators/asset_sync/templates/asset_sync.yml

@@ -5,6 +5,10 @@ defaults: &defaults
   aws_secret_access_key: "<%= aws_secret_access_key %>"
   # To use AWS reduced redundancy storage.
   # aws_reduced_redundancy: true
+  # Change AWS signature version. Default is 4
+  # aws_signature_version: 4
+  # Use http instead of https.
+  # fog_scheme: 'http'
   <%- elsif google? -%>
   fog_provider: 'Google'
   google_storage_access_key_id: "<%= google_storage_access_key_id %>"